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器件型号:LM3407 我不熟悉 LED 降压驱动器。 如果输入电压高于 LED 电压、LM3407是否会在内部降低额外电压? 或者它是否会降低 LED 驱动电压、以便在 LX 引脚上不会有额外的压降?
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